Rename WebCore to blink in Modules

Source/modules/geolocation/CircularRegion.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CircularRegion_h
 #define CircularRegion_h
 
 #include "modules/geolocation/GeofencingRegion.h"
 
-namespace WebCore {
+namespace blink {
 
 class Dictionary;
 
 struct CircularRegionInit {
     CircularRegionInit() : latitude(0), longitude(0), radius(0) { }
     explicit CircularRegionInit(const Dictionary& init);
 
     String id;
     double latitude;
     double longitude;
@@ skipping 13 matching lines @@
     virtual void trace(Visitor* visitor) OVERRIDE { GeofencingRegion::trace(visitor); }
 
 private:
     explicit CircularRegion(const CircularRegionInit&);
 
     double m_latitude;
     double m_longitude;
     double m_radius;
 };
 
-} // namespace WebCore
+} // namespace blink
 
 #endif